Inventor
WATANABE YUKITAKA
JP9 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE YUKITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MERCK PATENT GMBH
4 patentsUS5770310AJun 23, 1998
Composite fine particles of metal oxides and production thereof
MERCK PATENT GMBH92 citations95
US6511536B1Jan 28, 2003
Pigment in thin flakes coated with calcium carbonate and a method for manufacturing the same
MERCK PATENT GMBH26 citations92
US6447759B2Sep 10, 2002
Ultraviolet absorbent
MERCK PATENT GMBH21 citations92
US6086666AJul 11, 2000
Pigment for shielding of ultraviolet radiation
MERCK PATENT GMBH29 citations92
SHIMIZU KAIMAN
4 patentsUS10253191B2Apr 9, 2019
Magnetic pigments
SHIMIZU KAIMAN8 citations80
US9603784B2Mar 28, 2017
Process for treating sol-gel capsules
SHIMIZU KAIMAN10 citations78
US10174203B2Jan 8, 2019
Magnetic pigments comprising a flaky substrate and layer of maghemite
SHIMIZU KAIMAN1 citations59
US9657185B2May 23, 2017
Brilliant black pigments
SHIMIZU KAIMAN1 citations48